code: def setUp(self):
      a = cupy.random.permutation(self.num)
      self.a = a.get()
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
  from cupy.testing import _condition
label_desc: Use image node_id 1 for calling the TestPermutationSoundness obj's underlying member method code with example usage: obj.setUp() without return types